If you want to have a long baby during pregnancy, you need to eat a reasonable diet with appropriate exercise. Reasonable diet to ensure that the intake of nutrients to maintain a balanced, do not eat spicy stimulating food, dietary diversity. And appropriate exercise is not only conducive to the development of the fetus, but also able to make themselves not to grow fat. It is recommended that pregnant women can eat some food rich in high quality and high protein, such as fish, shrimp, lean meat, eggs, milk, soy products, etc. This food can not only supplement the high protein to meet the nutritional needs of pregnant women and fetuses, but also not easy to grow meat. Carbohydrate food should be controlled in moderation, such as rice, noodles, buns, this kind of food is high in starch, which can make the weight increase rapidly, thus causing obesity, and you can consume some coarse grains appropriately, such as corn, oatmeal, sweet potatoes and other foods. Pregnant women can carry out appropriate exercise, such as pregnancy yoga exercise, swimming, walking, etc., after appropriate exercise can eliminate excessive calories, reduce obesity and fat accumulation, but the exercise must be moderate and standardized, you can consult a doctor before exercise.